Are all enterprises that recruit surveying and mapping talents online formal?

As far as I know, the recruitment information about Cai Ying Surveying and Mapping. Their staff conducted a rigorous review of. com. Once, a friend of mine was cheated by a pyramid scheme company, so I wanted to take this opportunity to confirm whether this situation was true or not, so I called Cai Ying Surveying and Mapping. As a result, they told me it was a pyramid scheme company. I really admire their working attitude, which has provided great help for our job seekers!